/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Operations/RemoveOccludedTriangles.h
Remove the occluded triangles, considering the given occluder AABB trees (which may represent more geometry than a single mesh) See simpler invocations below for the single instance case or the case where you'd like the spatial data structures built for you
true on success
virtual bool Apply ( const [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FTransformSRT3d](API\Runtime\GeometryCore\FTransformSRT3d) > MeshLocalToOccluderSpaces, const [TArrayView](API\Runtime\Core\Containers\TArrayView)< [TMeshAABBTree3](API\Runtime\GeometryCore\Spatial\TMeshAABBTree3)< OccluderTriangleMeshType > * > Spatials, const [TArrayView](API\Runtime\Core\Containers\TArrayView)< [TFastWindingTree](API\Runtime\GeometryCore\CompGeom\TFastWindingTree)< OccluderTriangleMeshType > * > FastWindingTrees, const [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FTransformSRT3d](API\Runtime\GeometryCore\FTransformSRT3d) > SpatialTransforms, bool bTestOccludedByAny )